CVE-2024-29972

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-29972
StatePUBLISHED
AssignerZyxel
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-06-04 02:15:47 UTC
Updated2026-11-03 22:17:17 UTC
Description** UNSUPPORTED WHEN ASSIGNED ** The command injection vulnerability in the CGI program "remote_help-cgi" in Zyxel NAS326 firmware versions before V5.21(AAZF.17)C0 and NAS542 firmware versions before V5.21(ABAG.14)C0 could allow an unauthenticated attacker to execute some operating system (OS) commands by sending a crafted HTTP POST request.

Risk And Classification

Primary CVSS: v3.1 9.8 CRITICAL from [email protected]

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.903490000 probability, percentile 0.997990000 (date 2026-11-03)

Problem Types: CWE-78 | CWE-78 CWE-78 Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
3.1CNACVSS9.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Hardware Zyxel Nas326 - All All All
Operating System Zyxel Nas326 Firmware All All All All
Hardware Zyxel Nas542 - All All All
Operating System Zyxel Nas542 Firmware All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Zyxel NAS326 Firmware affected < V5.21(AAZF.17)C0 Not specified
CNA Zyxel NAS542 Firmware affected < V5.21(ABAG.14)C0 Not specified
ADP Zyxel Nas326 Firmware affected v5.21\(aazf.17\)co custom Not specified
ADP Zyxel Nas542 Firmware affected 5.21\(abag.14\)co custom Not specified

References

ReferenceSourceLinkTags
www.zyxel.com/global/en/support/security-advisories/zyxel-security-advisory... af854a3a-2127-422b-91ae-364da2661108 www.zyxel.com Vendor Advisory
outpost24.com/blog/zyxel-nas-critical-vulnerabilities af854a3a-2127-422b-91ae-364da2661108 outpost24.com Exploit, Third Party Advisory
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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